Home / 69,037.05-103,541.40-19,104.60

Finding the Fourth Proportional to 69,037.05, 103,541.40 and 19,104.60

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Solution

The fourth proportional to 69,037.05, 103,541.40 and 19,104.60 is: 28,652.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,037.05 : 103,541.40 = 19,104.60 : x
  2. Step 2: Convert to fraction form
    69,037.05/103,541.40 = 19,104.60/x
  3. Step 3: Cross multiply
    69,037.05x = 103,541.40 × 19,104.60
  4. Step 4: Simplify right side
    69,037.05x = 1,978,117,030.44
  5. Step 5: Solve for x
    x = 1,978,117,030.44/69,037.05
  6. Step 6: Final answer
    x = 28,652.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.